| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 1978 | 2 |
0.5%
|
|
| 1980 | 2 |
0.5%
|
|
| 1983 | 1 |
0.3%
|
|
| 1985 | 3 |
0.8%
|
|
| 1987 | 1 |
0.3%
|
|
| 1988 | 1 |
0.3%
|
|
| 1989 | 3 |
0.8%
|
|
| 1990 | 8 |
2.1%
|
|
| 1995 | 10 |
2.6%
|
|
| 1997 | 5 |
1.3%
|
|
| 1998 | 6 |
1.6%
|
|
| 1999 | 3 |
0.8%
|
|
| 2000 | 26 |
6.8%
|
|
| 2001 | 6 |
1.6%
|
|
| 2002 | 9 |
2.4%
|
|
| 2003 | 12 |
3.1%
|
|
| 2004 | 21 |
5.5%
|
|
| 2005 | 53 |
13.9%
|
|
| 2006 | 37 |
9.7%
|
|
| 2007 | 40 |
10.5%
|
|
| 2008 | 55 |
14.4%
|
|
| 2009 | 31 |
8.1%
|
|
| 2010 | 46 |
12.1%
|
|
| Sysmiss | 3379 |